12304280

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2213}}^1$

素因数の和:2363

約数の個数: 32

約数和(自身を含む): 27896400

約数和(自身を除く): 15592120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2213, 2780, 4426, 5560, 8852, 11065, 17704, 22130, 44260, 88520, 307607, 615214, 1230428, 1538035, 2460856, 3076070, 6152140, 12304280]

約数ペア:

[(1, 12304280), (2, 6152140), (4, 3076070), (5, 2460856), (8, 1538035), (10, 1230428), (20, 615214), (40, 307607), (139, 88520), (278, 44260), (556, 22130), (695, 17704), (1112, 11065), (1390, 8852), (2213, 5560), (2780, 4426)]